Oreck Edge - Valve Stuck in Nozzle Position

Increase Quality Through Interaction with the Field
Valve Stuck in Nozzle Position – Hose Side Blocked
Hose
N
ozzle
Hall Effect connector not plugged into control board -
visual
Hall Effect Switch installed upside down - visual
Hose Sensing Switch no continuity with hose installed –
continuity – should have continuity
Defective Hall Effect Switch – DCV measurement
Defective Servo – continuity – should have continuity
Defective Control Board – elimination process
1. Hall Effect Switch Check – DCV
a. Conditions: Hose in place closes the hose-sensing switch (1),
fan housing up and locked places the magnet (2) right across
from the Hall Effect switch (3) unit turned ON.
1
2
3
Hose
Magnet
Hose S. Switch
2. With the above conditions met a DCV measurement between the white
lead of the control board to power supply and one of the hose switch
terminals should be 0vdc (Picture 1). Remove the hose or lean the
handle back and the measurement should be 5vdc (Picture 2).
Increase Quality Through Interaction with the Field
24